31149

Appears in sequences

• Self-reciprocating sequence: the integer part of powers of the reciprocal sum.at n=17A066173
• Number of compositions of n where the smallest part is greater than or equal to the number of parts.at n=48A098131
• Iccanobirt numbers (15 of 15): a(n) = R(R(a(n-1)) + R(a(n-2)) + R(a(n-3))), where R is the digit reversal function A004086.at n=23A102125
• Starting numbers for which the RATS sequence has eventual period 3.at n=15A114613
• G.f.: A(x) = 1 + Sum_{n>=1} x^(n^2) * ((1-x)^n + 1/(1-x)^n).at n=48A197707
• Partial sums of A299268.at n=26A299269
• Composite numbers for which A324644(n)/A324198(n) = 2 and sigma(n) == 2 (mod 4).at n=27A371082
• Number of integer partitions of n whose parts are not in arithmetic progression.at n=39A389811