A354106 - OEIS

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A354106

Numbers k for which A354102(k) = A354102(sigma(k)).

1, 24, 2475, 2520, 2728, 5347, 6683, 8184, 8307, 8568, 9108, 9306, 10106, 11484, 12974, 16041, 17892, 20049, 23265, 25265, 26199, 30318, 32256, 32435, 38922, 39618, 40918, 44010, 44576, 44872, 50976, 55224, 55720, 56516, 58817, 63720, 63952, 64890, 65689, 66528, 67356, 69860, 72072, 73409, 74448, 75795, 79101, 83160

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OFFSET

1,2

COMMENTS

No common terms with A006872 in range a(2) .. a(1001).

Among the 1001 initial terms, only 3119744 and 13890816 occur also in A191217.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..1001

Index entries for sequences where odd perfect numbers must occur, if they exist at all

Index entries for sequences related to sigma(n)

PROG

(PARI)