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Search: a169919 -id:a169919
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a(n) = n*n in the arithmetic where digits are multiplied in base 10 (as usual) but when digits are to be added they are also multiplied in base 10.
+10
3
0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 111, 144, 199, 306, 455, 646, 179, 424, 731, 400, 441, 564, 769, 1126, 505, 606, 829, 1124, 1481, 900, 991, 12640, 17190, 1066, 1355, 1086, 1259, 1304, 1651, 1000, 3440, 6120, 1749, 2126, 2605, 2886, 3569, 3864, 4841
CROSSREFS
The four versions are A000290, A169919, A169920, A169921.
a(n) = n*n in the arithmetic where when digits are to be added they are multiplied, and when they are to be multiplied they are added.
+10
3
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 210, 242, 294, 366, 458, 620, 762, 924, 2906, 3018, 440, 492, 564, 656, 768, 960, 1122, 4904, 5016, 5128, 690, 762, 854, 966, 1098, 1320, 6902, 7014, 7126, 7238, 960, 1052, 1164, 1296, 1448, 8900, 9012, 9124, 9236, 9348
CROSSREFS
The four versions are A000290, A169919, A169920, A169921.

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